Description
Site Pulse is a monitoring plugin that runs entirely inside WordPress. It checks your pages and database automatically after each page load (via the shutdown hook) and shows the results on a dashboard in wp-admin. When something goes wrong, it sends you an email.
No external monitoring service or API key required.
What it monitors:
- Page HTTP status and response time (including login-required pages)
- DB read/write performance via test queries (SELECT, INSERT, UPDATE, DELETE)
- Slow queries (requires
SAVEQUERIESto be enabled) - DB health indicators: autoload option size, expired transients, post revision bloat
Alerts:
The plugin sends email alerts when a page returns an error, responds too slowly, or a DB test query fails. You can choose which alert types to enable, and duplicate alerts are suppressed for 1 hour.
Dashboard:
The admin dashboard shows an overall site health indicator, then breaks down into page monitoring and DB status. Each section has charts (powered by Chart.js), error logs, and detail views.
Third-Party Libraries
This plugin bundles Chart.js (MIT license) for rendering charts on the admin dashboard. All files are included locally — no external requests are made.
- Chart.js — MIT License
- chartjs-adapter-date-fns — MIT License
Installation
- Upload the
site-pulsefolder to/wp-content/plugins/. - Activate the plugin.
- Open “Site Pulse” in the admin menu.
- Go to “Site Pulse > Settings” to add URLs and configure alerts.
Checks run automatically after page loads using a shutdown hook, so no server-side cron setup is required. The plugin throttles itself to run at most once every 15 minutes.
FAQ
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Does this need an external service?
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No. Everything runs inside WordPress.
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Will it slow down my site?
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Checks run after the response is sent to the visitor (shutdown hook), so page speed is not affected. Slow query detection uses
SAVEQUERIESwhich does add overhead — only enable it when you need it. -
Can it monitor pages that require login?
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Yes. In Settings, tick the “Auth” checkbox next to any URL that requires login and pick a user account. The plugin creates temporary auth cookies (valid for 60 seconds) for those URLs.
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What happens on uninstall?
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All tables and options created by the plugin are deleted.
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How long is data kept?
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Check results are kept for 7 days. Slow query logs and alert history are capped at 100 entries each.
Reviews
There are no reviews for this plugin.
Contributors & Developers
“Site Pulse” is open source software. The following people have contributed to this plugin.
Contributors
Translate “Site Pulse” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
0.1.0 (2026-03-19)
Initial release.